MCQ
Which one of the following molecules has maximum dipole moment ?
- A$NF _3$
- B$CH _4$
- C$NE _3$
- D$PF _5$

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$(A)$ ${X}$ is a reducing sugar and ${Y}$ is a non-reducing sugar
$(B)$ ${X}$ is a non-reducing sugar and ${Y}$ is a reducing sugar
$(C)$ The glucosidic linkages in ${X}$ and ${Y}$ are $\alpha$ and $\beta$, respectively
$(D)$ The glucosidic linkages in ${X}$ and ${Y}$ are $\beta$ and $\alpha$, respectively
$A + D \rightleftharpoons AD,AD + D \rightleftharpoons A{D_2}$, $A{D_2} + D \rightleftharpoons A{D_3}$. Then equilibrium constant $'K'$ for $A + 3D \rightleftharpoons A{D_3}$ is related as